About the Number

81330390830

81330390829 ← → 81330390831

2進数表記:1001011101111101010110100011100101110

漢数字表記:八百十三億三千三十九万八百三十

素因数分解:

2 1 × 5 1 × 13 1 × 2999 1 × 208609 1

素因数の和:211628
約数の個数: 32
約数和(自身を含む): 157709160000
約数和(自身を除く): 76378769170

約数列:
[1, 2, 5, 10, 13, 26, 65, 130, 2999, 5998, 14995, 29990, 38987, 77974, 194935, 208609, 389870, 417218, 1043045, 2086090, 2711917, 5423834, 13559585, 27119170, 625618391, 1251236782, 3128091955, 6256183910, 8133039083, 16266078166, 40665195415, 81330390830]

約数ペア:
[(1, 81330390830), (2, 40665195415), (5, 16266078166), (10, 8133039083), (13, 6256183910), (26, 3128091955), (65, 1251236782), (130, 625618391), (2999, 27119170), (5998, 13559585), (14995, 5423834), (29990, 2711917), (38987, 2086090), (77974, 1043045), (194935, 417218), (208609, 389870)]

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